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gas: Implement the .inst assembler directive for arm.

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We normally use the binutils from ports but on other systems this
is required for building gcc 4.9.

Obtained from:	OpenBSD (CVS rev. 1.5)
MFC after:	3 weeks
This commit is contained in:
Pedro F. Giffuni 2016-05-20 20:01:10 +00:00
parent 0bfad8e4a3
commit 3b6f4eae15
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=300333
1 changed files with 32 additions and 0 deletions
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32
contrib/binutils/gas/config/tc-arm.c
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@ -2284,6 +2284,37 @@ s_unreq (int a ATTRIBUTE_UNUSED)
demand_empty_rest_of_line ();
}
static void
s_inst(int unused ATTRIBUTE_UNUSED)
{
expressionS exp;
if (thumb_mode) {
as_bad(".inst not implemented for Thumb mode");
ignore_rest_of_line();
return;
}
if (is_it_end_of_statement()) {
demand_empty_rest_of_line();
return;
}
do {
expression(&exp);
if (exp.X_op != O_constant)
as_bad("constant expression required");
else
emit_expr(&exp, 4);
} while (*input_line_pointer++ == ',');
/* Put terminator back into stream. */
input_line_pointer--;
demand_empty_rest_of_line();
}
/* Directives: Instruction set selection. */
#ifdef OBJ_ELF
@ -3895,6 +3926,7 @@ const pseudo_typeS md_pseudo_table[] =
{ "object_arch", s_arm_object_arch, 0 },
{ "fpu", s_arm_fpu, 0 },
{ "arch_extension", s_arm_arch_extension, 0 },
{ "inst", s_inst, 0 },
#ifdef OBJ_ELF
{ "word", s_arm_elf_cons, 4 },
{ "long", s_arm_elf_cons, 4 },